Return to Home Page

Drake R8A
Specifications

Return to Drake R8B

Discontinued Communications Receivers 

Drake logo

 

 

Specifications

Frequency Range ...... 10 - 30000 kHz
AC Power ............. 100/120/200/240 VAC
                       50 or 60 Hz  40 Watts
DC Power ............. 11 - 16 VDC @ 2Amps
Antenna 1, Converter   50 ohms unbalanced
Antenna 2 ............ 50 or 500 ohms unbal.
Selectivity ..........  @ -6dB     @ -60dB
   All modes except FM        6.0 kHz  < 12.0 kHz
                        4.0 kHz   < 8.0 kHz
                        2.3 kHz   < 4.5 kHz
                        1.8 kHz   < 3.6 kHz
                         .5 kHz   < 1.5 kHz
   FM mode only            12.0 kHz  < 25.0 kHz
Ultimate Selectivity   > 95 dB
Image Rejection ...... > 60 dB   .1-1.5 MHz
                       > 80 dB   1.5-30 MHz
I.F. Rejection ....... > 80 dB       45 MHz
                       > 100 dB      50 kHz
Third Ord. Intercept   > +20dBm
Dynamic Range ........ 100 dB
Notch Filter Attn. ... 40 dB min Depth (500-5000 Hz)
Sensitivity .......... 10 dB S+ N/N
   SSB/CW                < 1.0µV   .1-1.5 MHz
                       < 0.5µV   1.5-30 MHz
                       < 0.25µV    5-30 MHz1
   AM                   < 3.0µV   .1-1.5 MHz
                       < 1.5µV   1.5-30 MHz
                       < 0.8µV     5-30 MHz1
				    1 with preamp
   FM (12dB sinad)         < 0.5µV   1.5-30 MHz
Freq. Stability ...... ± 5 ppm. -10° to 50° C.
Freq. Accuracy ....... ± 100 Hz. -10° to 50° C.
Intermediate Freqs. .. 1st IF = 45 MHz
                       2nd IF = 50 kHz
Ext. Speaker Output .. 2.5 Watts, 4 Ohms.
                       < 10% distortion
Recorder Output ...... 300 mV, 4.7K Ohms.
Demodulator Output ... 300 mV, 4.7K Ohms.
Operating Temp. ...... -10° to 50° C.
Dimensions ........... 13.2W x 5.25H x 13D inches (334x134x330mm)
Weight ............... 13 Lbs.(6 kg)  (16 Lbs. ship)


Copyright 2000-2013, Universal Radio, Inc.